I recently downgraded my channel lineup on my basic roamio box. Cable company is comcast. Went from digital preferred to digital economy package. Had old package for a year before downgrading. However some of the channels are giving me a "not authorized v58" message. Channels were working before. Called comcast to confirm that those channels are part of the new lower package and they confirmed they are. Comcast did usual "resend signal" thing they do but did not work. Calling the comcast cablecard number did not work, they kept transferring me to some tivo customer support line. Resetting guide did not work. Rebooting tivo did not work. (Tivo support suggestions) Any other suggestions? Will try a new cablecard but probably wont have time until sometime next week.